In her casual halftime show debut, the talented 11-year-old took part in a mashup of "Let's Get Loud" and "Waka Waka (This Time For Africa)" alongside other young singers. This isn't the first time Emme has performed with Jennifer. In fact, the mother-daughter duo previously sang "Limitless" together during one stop on the It's My Party tour. See pictures from their latest, high-profile duet ahead.